dt-bindings: timer: Add missing compatibles

Newer Allwinner SoCs have different number of interrupts, let's add
different compatibles for all of them to deal with this properly.

Signed-off-by: Maxime Ripard <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Signed-off-by: Daniel Lezcano <[e-mail]>

Documentation/devicetree/bindings/timer/allwinner,sun4i-a10-timer.yaml

···
   compatible:
     enum:
       - allwinner,sun4i-a10-timer
+      - allwinner,sun8i-a23-timer
+      - allwinner,sun8i-v3s-timer
       - allwinner,suniv-f1c100s-timer
 
   reg:
···
         interrupts:
           minItems: 6
           maxItems: 6
+
+  - if:
+      properties:
+        compatible:
+          items:
+            const: allwinner,sun8i-a23-timer
+
+    then:
+      properties:
+        interrupts:
+          minItems: 2
+          maxItems: 2
+
+  - if:
+      properties:
+        compatible:
+          items:
+            const: allwinner,sun8i-v3s-timer
+
+    then:
+      properties:
+        interrupts:
+          minItems: 3
+          maxItems: 3
 
   - if:
       properties: